Engineered specifically for late 2004.5 through 2007 Ford F-250, F-350, F-450, F-550 Super Duty, Excursion, and 2004–2010 E-Series Vans equipped with the 6.0L Powerstroke diesel engine utilizing the square-style EGR cooler configuration (production build dates after September 22, 2003), the Bullet Proof Diesel Square Replacement EGR Cooler (NT-EGRC-1) provides a permanent engineering fix for factory thermal failure. Stock square coolers feature fragile brazed internal joints and restrictive honeycomb cores that are highly prone to splitting under high exhaust gas temperatures and restricted coolant flow, leading to coolant loss, white exhaust smoke, and catastrophic engine hydrolock.

Bullet Proof Diesel replaces the vulnerable factory core with an all-welded stainless steel architecture featuring thick-walled tubing, fully TIG-welded seams, and advanced H-Core technology designed to absorb extreme thermal expansion without fracturing. Holding more than twice the internal coolant volume of the factory Ford square cooler, this unit drastically improves thermal dissipation and stress resistance. Fully CARB-compliant (E.O. D-730-1), this premium upgrade ensures permanent reliability for demanding street, hauling, and commercial duty cycles.

Key Features & Benefits

• All-Welded Stainless Steel Construction: Replaces weak factory brazed joints with heavy-duty TIG-welded seams and high-strength stainless steel tubing.
• H-Core Expansion Technology: Incorporates internally flexible tubing designed to move and flex under intense thermal cycles, virtually eliminating internal stress cracking.
• Double Coolant Capacity: Internal design holds more than twice the coolant volume of the stock Ford unit, dramatically improving thermal shock resistance.
• CARB Emissions Legal: Features Executive Order (E.O. D-730-1) compliance for street-legal operation across all 50 states without setting check engine lights.
• Direct Bolt-In Replacement: Precision-built to match factory mounting points on late square-cooler setups without requiring custom tuning or modifications.

Technical Specifications

• Manufacturer Part Number / SKU: NT-EGRC-1 / bpdNT-EGRC-1 (Bullet Proof Diesel)
• CARB Executive Order Number: E.O. D-730-1 (50-State Legal)
• OE / Superseded Interchange Numbers: Ford 4C3Z-9P456-AC, 4C3Z9P456AC, 4C3Z-9P456-AJ; International 1845145C97
• Truck Platform: Late 2004–2007 Ford Super Duty F-250, F-350, F-450, F-550, Excursion & E-Series Vans
• Engine Platform: 6.0L 32-Valve Powerstroke V8 Diesel / Navistar VT365 (Square Cooler Layout)
• Cooler Type: Square-Tube Design (Production Build Date After 09/22/2003)
• Core Requirement: Refundable core charge applies upon return of rebuildable core
• Warranty: Bullet Proof Diesel Parts-Only Lifetime Warranty

Vehicle Fitment & Installation Notes

• Late 2004–2007 Ford F-250 / F-350 / F-450 / F-550 Super Duty – 6.0L Powerstroke Diesel (Built after 9/22/2003)
• Late 2004–2005 Ford Excursion – 6.0L Powerstroke Diesel
• 2004–2010 Ford E-350 / E-450 Super Duty Van – 6.0L Powerstroke Diesel
• Fits Model Years: Late 2004, 2005, 2006, 2007 (Plus E-Series commercial vans through 2010)
• Fitment Notice: Designed strictly for late 2004.5–2007 models equipped with the square EGR cooler. Does not fit early 2003 to mid-2004 trucks utilizing the round-style cooler layout (which require part number NT-EGRC-0). Verify your truck's physical cooler shape and engine build date before ordering. Gaskets and mounting hardware are sold separately.
• Installation Tip: Completely drain the engine coolant system, remove the intake manifold and up-pipe carefully, and inspect the engine oil cooler for restrictions. A clogged oil cooler is the primary root cause of repeat EGR cooler failures on the 6.0L platform and should be replaced simultaneously.